نتایج جستجو برای: zymography
تعداد نتایج: 1959 فیلتر نتایج به سال:
The initiation and regulation of fibrinolysis has been studied by reconstitution of fibrinolytic activity in human plasma in vitro. Depletion of tissue plasminogen activator (tPA) antigen by immunoadsorption of human plasma with anti-tPA Ig Sepharose 4B leads to total loss of spontaneous fibrinolytic activity determined by lysis of a thrombin-induced clot. Addition of physiological concentratio...
Seven cathepsin B-like cysteine proteases (CBLs) were identified from the immunoprotective excretory-secretory products of Haemonchus contortus. Two-dimensional (2-D) zymography and biotinylated inhibitors were employed to localize active CBLs in 2-D protein gels. Mass spectrometry provided the identification of AC-4, HMCP1, HMCP2, and GCP7 as well as three novel CBLs encoded by clustered expre...
The objective of this study was to identify and evaluate for the first time anticoagulant fibrinogenolytic protease from Psidium guajava seed extract. extract in sodium dodecyl sulfate polyacrylamide gel electrophoresis showed protein bands high molecular weight region between 122 kDa 47 two distinct lower at ~16.6 ~14.3 kDa. content found be 1 mg/ml with specific activity 0.8 U. proteolytic su...
BACKGROUND A pathogenic role of intraglomerular plasmin bound to nephritogenic antigen (nephritis-associated plasmin receptor, NAPlr) and resistant to physiologic inhibitors such as alpha(2)-antiplasmin (alpha(2)-AP) has recently been proposed in acute poststreptococcal glomerulonephritis (APSGN). To confirm this concept, we analysed the urinary profile of plasmin cascade in APSGN patients. M...
OBJECTIVES Chondrocytic matrix metalloproteinases (MMPs) are believed to be important in osteoarthritic cartilage degradation. The cartilage lesion of osteoarthritis (OA) is focal and often progressive. During its development chondrocytes differentially up and down regulate production of mRNA for individual MMPs. This observation has potential implications for understanding the disease processe...
OBJECT Matrix metalloproteinases (MMPs), particularly MMP-9/gelatinase B, promote early inflammation and barrier disruption after spinal cord injury (SCI). Early blockade of MMPs after injury provides neuroprotection and improves motor outcome. There is recent evidence, however, that MMP-9 and MMP-2/gelatinase A participate in later wound healing in the injured cord. The authors therefore exami...
The incidence of hepatocellular carcinoma (HCC), once thought to be a rare tumor in North America, has rapidly increased in recent years in the United States. Current treatment modalities to halt the progression of this disease are only marginally effective. The mainstay treatment is liver transplantation, which is often confronted with donor shortage. Invasion, metastasis and recurrence contri...
An optical gold nanoparticles (AuNPs)-based method was fabricated for the rapid detection of matrix metalloproteinase (MMP) activity and screening potential MMP inhibitors without sophisticated instruments. The diagnosis platform was composed of AuNPs, particular MMP substrates and 6-mercapto-1-hexanol (MCH). The functionalized AuNPs were subjected to specific MMP digestion, and the MMP found t...
We have studied the expression of gelatinase A, gelatinase B, interstitial collagenase, tissue inhibitor of metalloproteinase (TIMP)-1 and TIMP-2 in reactive lymphoid cells, as well as in a series of cell lines derived from neoplasms of B- and T-cell lineage. Using both Northern blot analysis and zymography, gelatinase B activity was detected by zymography in two Burkitt cell lines and in a ton...
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